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Three Twins Ice Cream
What: San Rafael-based organic ice creamery opens in Lower Haight with flavors like Mocha Difference and Milk & Cookies.
Why: Cream of the crop.
When: Mon.-Thurs., noon-10 p.m.; Fri. & Sat., 11 a.m.-11 p.m.; Sun., 11 a.m.-10 p.m.
Where: 254 Fillmore St., at Haight St. (415-487-8946).
What: The South Bay’s annual DIY smorgasbord and clothing swap returns with 600+ crafters; the first ten subscribers to e-mail pics of their DIY creations to email@example.com by 3 p.m. today win two free tickets each.
Why: DIYer maker.
When: Sat., 10 a.m.-8 p.m.; Sun., 10 a.m.-6 p.m.
Where: San Mateo County Event Center, 2495 S. Delaware St., at E. 25th Ave., San Mateo.
The Silk Trading Company Closeout Sale
What: Up to 80 percent off two stories’ worth of home fabrics, from dupionis to damasks, at the Potrero Hill silk showroom.
Why: Best yard sale ever.
When: Mon.-Fri., 10 a.m.-6 p.m.
Where: 1616a 16th St., at Rhode Island St. (415-282-5574).
Mike & Chris and Friends Blowout Sale
What: Stop by SOMA to save 60-80 percent off roughly 2,200 men’s and women’s pieces by Mike & Chris, Grai, and a few surprise brands.
Why: It’s da bomber.
When: Sat., 11 a.m.-5 p.m.
Where: ArtHouse, 1360 Mission St., between 9th & 10th Sts., ground flr. (415-552-2183).
Union Design Festival
What: Hayes Valley street fair showcases fashion, home, and accessories designs by indie visionaries like MothLove, KittinHawk, and more.
Why: Union squared.
When: Sun., 11 a.m.-6 p.m.
Where: Hayes Valley Park, Hayes St., at Octavia St.
Krimsa Trunk Show
What: Up to 50 percent off baubles, belts, handbags, and more, along with wine, cupcakes, and fro yo at the Cow Hollow shindig.
Why: Plead temporary insanity.
When: Thurs., 6-9 p.m.
Where: 2190 Union St., at Fillmore St. (415-441-4321).